Home / 30,774.16-46,174.20-18,318.16

Finding the Fourth Proportional to 30,774.16, 46,174.20 and 18,318.16

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Solution

The fourth proportional to 30,774.16, 46,174.20 and 18,318.16 is: 27,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,774.16 : 46,174.20 = 18,318.16 : x
  2. Step 2: Convert to fraction form
    30,774.16/46,174.20 = 18,318.16/x
  3. Step 3: Cross multiply
    30,774.16x = 46,174.20 × 18,318.16
  4. Step 4: Simplify right side
    30,774.16x = 845,826,383.47
  5. Step 5: Solve for x
    x = 845,826,383.47/30,774.16
  6. Step 6: Final answer
    x = 27,484.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.